java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 22:50:23,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 22:50:23,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 22:50:23,587 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 22:50:23,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 22:50:23,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 22:50:23,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 22:50:23,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 22:50:23,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 22:50:23,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 22:50:23,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 22:50:23,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 22:50:23,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 22:50:23,603 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 22:50:23,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 22:50:23,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 22:50:23,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 22:50:23,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 22:50:23,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 22:50:23,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 22:50:23,624 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 22:50:23,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 22:50:23,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 22:50:23,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 22:50:23,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 22:50:23,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 22:50:23,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 22:50:23,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 22:50:23,632 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 22:50:23,633 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 22:50:23,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 22:50:23,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 22:50:23,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 22:50:23,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 22:50:23,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 22:50:23,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 22:50:23,636 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-15 22:50:23,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 22:50:23,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 22:50:23,653 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 22:50:23,653 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 22:50:23,653 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 22:50:23,654 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 22:50:23,654 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 22:50:23,654 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 22:50:23,654 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 22:50:23,654 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 22:50:23,655 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 22:50:23,655 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 22:50:23,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 22:50:23,656 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 22:50:23,656 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 22:50:23,656 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 22:50:23,656 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 22:50:23,657 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 22:50:23,657 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 22:50:23,657 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 22:50:23,657 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 22:50:23,657 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 22:50:23,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 22:50:23,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 22:50:23,658 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 22:50:23,658 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 22:50:23,658 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 22:50:23,659 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 22:50:23,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 22:50:23,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 22:50:23,659 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 22:50:23,659 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 22:50:23,660 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 22:50:23,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 22:50:23,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 22:50:23,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 22:50:23,744 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 22:50:23,744 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 22:50:23,745 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-09-15 22:50:24,122 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ba7ce09/aa8aec364d0844b8a9c4867e3fe7d479/FLAG9d687a339 [2018-09-15 22:50:24,440 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 22:50:24,441 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-09-15 22:50:24,473 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ba7ce09/aa8aec364d0844b8a9c4867e3fe7d479/FLAG9d687a339 [2018-09-15 22:50:24,497 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ba7ce09/aa8aec364d0844b8a9c4867e3fe7d479 [2018-09-15 22:50:24,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 22:50:24,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 22:50:24,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 22:50:24,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 22:50:24,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 22:50:24,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 10:50:24" (1/1) ... [2018-09-15 22:50:24,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181c80c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:24, skipping insertion in model container [2018-09-15 22:50:24,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 10:50:24" (1/1) ... [2018-09-15 22:50:24,539 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 22:50:25,052 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 22:50:25,075 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 22:50:25,248 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 22:50:25,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25 WrapperNode [2018-09-15 22:50:25,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 22:50:25,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 22:50:25,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 22:50:25,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 22:50:25,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 22:50:25,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 22:50:25,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 22:50:25,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 22:50:25,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... [2018-09-15 22:50:25,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 22:50:25,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 22:50:25,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 22:50:25,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 22:50:25,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 22:50:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 22:50:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 22:50:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 22:50:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 22:50:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 22:50:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 22:50:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 22:50:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 22:50:29,747 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 22:50:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 10:50:29 BoogieIcfgContainer [2018-09-15 22:50:29,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 22:50:29,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 22:50:29,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 22:50:29,754 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 22:50:29,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 10:50:24" (1/3) ... [2018-09-15 22:50:29,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d67ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 10:50:29, skipping insertion in model container [2018-09-15 22:50:29,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:50:25" (2/3) ... [2018-09-15 22:50:29,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d67ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 10:50:29, skipping insertion in model container [2018-09-15 22:50:29,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 10:50:29" (3/3) ... [2018-09-15 22:50:29,759 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-09-15 22:50:29,774 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 22:50:29,787 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 22:50:29,851 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 22:50:29,852 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 22:50:29,852 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 22:50:29,853 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 22:50:29,853 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 22:50:29,853 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 22:50:29,854 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 22:50:29,854 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 22:50:29,854 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 22:50:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-15 22:50:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-15 22:50:29,898 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:50:29,899 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 22:50:29,901 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:50:29,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1535437935, now seen corresponding path program 1 times [2018-09-15 22:50:29,912 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:50:29,913 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 64 with the following transitions: [2018-09-15 22:50:29,917 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [952], [956], [962], [966], [973], [974], [975], [977] [2018-09-15 22:50:29,972 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:50:29,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:50:31,530 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:50:31,532 INFO L272 AbstractInterpreter]: Visited 62 different actions 62 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 22:50:31,579 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 22:50:32,728 INFO L232 lantSequenceWeakener]: Weakened 60 states. On average, predicates are now at 80.42% of their original sizes. [2018-09-15 22:50:32,729 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:50:32,975 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 22:50:32,976 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 22:50:32,976 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 22:50:32,977 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 22:50:32,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 22:50:32,991 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 22:50:32,992 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 22:50:32,995 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 6 states. [2018-09-15 22:50:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 22:50:35,564 INFO L93 Difference]: Finished difference Result 693 states and 1229 transitions. [2018-09-15 22:50:35,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 22:50:35,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-09-15 22:50:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 22:50:35,588 INFO L225 Difference]: With dead ends: 693 [2018-09-15 22:50:35,589 INFO L226 Difference]: Without dead ends: 436 [2018-09-15 22:50:35,596 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 22:50:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-09-15 22:50:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2018-09-15 22:50:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-15 22:50:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 615 transitions. [2018-09-15 22:50:35,672 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 615 transitions. Word has length 63 [2018-09-15 22:50:35,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 22:50:35,672 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 615 transitions. [2018-09-15 22:50:35,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 22:50:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 615 transitions. [2018-09-15 22:50:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-15 22:50:35,680 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:50:35,681 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 22:50:35,681 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:50:35,682 INFO L82 PathProgramCache]: Analyzing trace with hash -74256061, now seen corresponding path program 1 times [2018-09-15 22:50:35,682 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:50:35,682 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-09-15 22:50:35,683 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-15 22:50:35,689 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:50:35,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:50:42,781 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:50:42,783 INFO L272 AbstractInterpreter]: Visited 92 different actions 177 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 22:50:42,792 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 22:50:47,023 INFO L232 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 78.66% of their original sizes. [2018-09-15 22:50:47,024 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:50:47,176 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 22:50:47,177 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 22:50:47,177 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 22:50:47,177 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 22:50:47,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 22:50:47,179 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 22:50:47,179 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 22:50:47,180 INFO L87 Difference]: Start difference. First operand 434 states and 615 transitions. Second operand 11 states. [2018-09-15 22:50:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 22:50:52,795 INFO L93 Difference]: Finished difference Result 1051 states and 1763 transitions. [2018-09-15 22:50:52,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 22:50:52,796 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2018-09-15 22:50:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 22:50:52,803 INFO L225 Difference]: With dead ends: 1051 [2018-09-15 22:50:52,803 INFO L226 Difference]: Without dead ends: 806 [2018-09-15 22:50:52,807 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 22:50:52,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-09-15 22:50:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 803. [2018-09-15 22:50:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-09-15 22:50:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1002 transitions. [2018-09-15 22:50:52,859 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1002 transitions. Word has length 148 [2018-09-15 22:50:52,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 22:50:52,860 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1002 transitions. [2018-09-15 22:50:52,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 22:50:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1002 transitions. [2018-09-15 22:50:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-15 22:50:52,866 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:50:52,867 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 22:50:52,867 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:50:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash 209098263, now seen corresponding path program 1 times [2018-09-15 22:50:52,868 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:50:52,868 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-09-15 22:50:52,869 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-15 22:50:52,876 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:50:52,876 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:51:18,103 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:51:18,103 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 22:51:18,147 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 22:51:36,725 INFO L232 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 78.45% of their original sizes. [2018-09-15 22:51:36,725 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:51:36,908 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 22:51:36,909 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 22:51:36,909 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 22:51:36,909 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 22:51:36,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 22:51:36,910 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 22:51:36,910 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 22:51:36,911 INFO L87 Difference]: Start difference. First operand 803 states and 1002 transitions. Second operand 11 states. [2018-09-15 22:51:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 22:51:39,692 INFO L93 Difference]: Finished difference Result 1236 states and 1786 transitions. [2018-09-15 22:51:39,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 22:51:39,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2018-09-15 22:51:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 22:51:39,703 INFO L225 Difference]: With dead ends: 1236 [2018-09-15 22:51:39,704 INFO L226 Difference]: Without dead ends: 991 [2018-09-15 22:51:39,707 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 22:51:39,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-09-15 22:51:39,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 988. [2018-09-15 22:51:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2018-09-15 22:51:39,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1200 transitions. [2018-09-15 22:51:39,747 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1200 transitions. Word has length 174 [2018-09-15 22:51:39,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 22:51:39,748 INFO L480 AbstractCegarLoop]: Abstraction has 988 states and 1200 transitions. [2018-09-15 22:51:39,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 22:51:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1200 transitions. [2018-09-15 22:51:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-09-15 22:51:39,757 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 22:51:39,757 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 22:51:39,758 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 22:51:39,758 INFO L82 PathProgramCache]: Analyzing trace with hash -585484763, now seen corresponding path program 1 times [2018-09-15 22:51:39,758 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 22:51:39,760 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-09-15 22:51:39,761 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-15 22:51:39,769 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 22:51:39,770 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 22:53:07,590 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 22:53:07,591 INFO L272 AbstractInterpreter]: Visited 119 different actions 466 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 22:53:07,598 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 22:54:18,213 INFO L232 lantSequenceWeakener]: Weakened 256 states. On average, predicates are now at 78.1% of their original sizes. [2018-09-15 22:54:18,216 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 22:54:18,243 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 22:54:18,248 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 22:54:18,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 10:54:18 BoogieIcfgContainer [2018-09-15 22:54:18,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 22:54:18,249 INFO L168 Benchmark]: Toolchain (without parser) took 233739.42 ms. Allocated memory was 1.5 GB in the beginning and 5.6 GB in the end (delta: 4.0 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-15 22:54:18,252 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 22:54:18,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-09-15 22:54:18,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 22:54:18,254 INFO L168 Benchmark]: Boogie Preprocessor took 314.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -890.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2018-09-15 22:54:18,255 INFO L168 Benchmark]: RCFGBuilder took 4003.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 7.1 GB. [2018-09-15 22:54:18,256 INFO L168 Benchmark]: TraceAbstraction took 228499.38 ms. Allocated memory was 2.3 GB in the beginning and 5.6 GB in the end (delta: 3.2 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-15 22:54:18,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 121.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 314.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -890.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4003.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228499.38 ms. Allocated memory was 2.3 GB in the beginning and 5.6 GB in the end (delta: 3.2 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 172]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 172). Cancelled while BasicCegarLoop was analyzing trace of length 260 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 228.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 1972 SDslu, 863 SDs, 0 SdLazy, 5551 SolverSat, 716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 397 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=988occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 121.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.997124947063806 AbsIntWeakeningRatio, 0.125 AbsIntAvgWeakeningVarsNumRemoved, 4.6890625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label17_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_22-54-18-278.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label17_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_22-54-18-278.csv Completed graceful shutdown